Not what we have, but what we enjoy, constitutes our abundance.
资本资产定价模型并非旨在描述投资者实际行为的实证理论,而是关于理性投资者应如何行事的规范理论。
Efficiency in energy production is the cornerstone of sustainable development.
There is danger from all men. The only maxim of a free government ought to be to trust no man living with power to endanger the public liberty.